#1
Which method of sterilization uses high-pressure steam to kill microorganisms?
Autoclaving
Chemical sterilization
Radiation sterilization
Ethylene oxide sterilization
#2
What is the primary purpose of decontamination?
To kill all microorganisms
To remove dirt and debris
To prevent infections
To improve visibility
#3
What is the purpose of a sterilization log?
To record patient information
To document sterilization parameters and cycles
To track inventory levels
To schedule equipment maintenance
#4
What is the purpose of pre-cleaning instruments before sterilization?
To remove visible contaminants
To speed up the sterilization process
To reduce the effectiveness of sterilization
To avoid using detergent
#5
Which of the following is a chemical indicator commonly used in sterilization processes?
Temperature tape
Biological spore strips
Ampoule
Ethylene oxide detector
#6
Which of the following is a chemical sterilant commonly used in healthcare settings?
Bleach
Isopropyl alcohol
Glutaraldehyde
Hydrogen peroxide
#7
What does the term 'aseptic technique' refer to?
A method to rapidly sterilize equipment
A procedure to clean contaminated surfaces
A set of practices to prevent contamination of sterile environments
A technique to neutralize toxic chemicals
#8
What is the minimum recommended temperature for autoclaving to achieve sterilization?
100°C (212°F)
120°C (248°F)
150°C (302°F)
180°C (356°F)
#9
Which of the following is a disadvantage of using ethylene oxide sterilization?
It is ineffective against spores
It leaves toxic residues on items
It requires high temperatures
It is expensive
#10
Which regulatory agency oversees the sterilization and decontamination procedures in healthcare facilities in the United States?
Centers for Disease Control and Prevention (CDC)
World Health Organization (WHO)
Food and Drug Administration (FDA)
Occupational Safety and Health Administration (OSHA)
#11
Which of the following methods is suitable for sterilizing heat-sensitive materials?
Autoclaving
Chemical sterilization
Dry heat sterilization
Radiation sterilization
#12
Which type of radiation is commonly used for sterilization of medical products?
Alpha radiation
Beta radiation
Gamma radiation
X-ray radiation
#13
Which of the following is NOT a method of sterilization?
Dry heat
Filtration
Pasteurization
Cold sterilization
#14
What is the purpose of a biological indicator in sterilization processes?
To measure temperature accurately
To test the efficiency of sterilization
To monitor pressure changes
To detect chemical residues
#15
What is the purpose of validation in the context of sterilization processes?
To ensure that the sterilization equipment is in working order
To obtain regulatory approval for sterilization methods
To confirm that sterilization parameters consistently achieve the desired result
To certify the qualifications of sterilization personnel
#16
Which of the following is a critical factor influencing the efficacy of chemical sterilization?
Humidity level
Room temperature
Barometric pressure
Altitude
#17
What is the purpose of the Bowie-Dick test in autoclave validation?
To measure temperature distribution
To assess pressure levels
To detect air entrapment
To evaluate steam penetration
#18
Which of the following is NOT a method of chemical sterilization?
Ethylene oxide
Glutaraldehyde
Hydrogen peroxide plasma
Autoclaving
#19
Which of the following factors can affect the efficacy of autoclave sterilization?
Type of detergent used
Altitude
Time of day
Presence of natural light